Yo, Adrian!

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

The national park was once a plantation estate.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

A museum dedicated to exhibiting remarkable outsider art.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Remnants of a storybook amusement park hidden behind a strip mall.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.